Weight scale



FIG. 1 is a front, perspective view of a weight scale showing my new design;

FIG. 2 is a rear, perspective view thereof;

FIG. 3 is a perspective view thereof;

FIG. 4 is right-side view thereof;

FIG. 5 is a perspective, side view thereof;

FIG. 6 is further perspective view thereof;

FIG. 7 is a top, plan view thereof; and,

FIG. 8 is a bottom, plan view thereof. 

The ornamental design for a weight scale, as shown and described. 